add models.CASCADE as on_delete in ForeignKey fields of models

Former-commit-id: 3c15969fda531d1b7128c5a34395f34a008e3bad

ippisite/ippidb/models.py

@@ -104,7 +104,7 @@ class Protein(AutoFillableModel):
     short_name = models.CharField('Short name', max_length=50)
     gene_name = models.CharField('Gene name', unique=True, max_length=30)
     entry_name = models.CharField('Entry name', max_length=30)
-    organism = models.ForeignKey('Taxonomy', default='Homo sapiens')
+    organism = models.ForeignKey('Taxonomy', models.CASCADE)
     molecular_functions = models.ManyToManyField(MolecularFunction)
 
     def autofill(self):
@@ -152,8 +152,8 @@ class Domain(AutoFillableModel):
 
 
 class ProteinDomainComplex(models.Model):
-    protein = models.ForeignKey('Protein')
-    domain = models.ForeignKey('Domain')
+    protein = models.ForeignKey('Protein', models.CASCADE)
+    domain = models.ForeignKey('Domain', models.CASCADE)
     ppc_copy_nb = models.IntegerField(
         'Number of copies of the protein in the complex')
 
@@ -201,7 +201,7 @@ class Ppi(models.Model):
     pdb_id = models.CharField('PDB ID', max_length=4, null=True)
     pockets_nb = models.IntegerField(
         'Total number of pockets in the complex', default=1)
-    symmetry = models.ForeignKey(Symmetry)
+    symmetry = models.ForeignKey(Symmetry, models.CASCADE)
     diseases = models.ManyToManyField(Disease)
 
     def __str__(self):
@@ -233,8 +233,8 @@ class Ppi(models.Model):
         return name
 
 class PpiComplex(models.Model):
-    ppi = models.ForeignKey(Ppi)
-    complex = models.ForeignKey(ProteinDomainComplex)
+    ppi = models.ForeignKey(Ppi, models.CASCADE)
+    complex = models.ForeignKey(ProteinDomainComplex, models.CASCADE)
     cc_nb = models.IntegerField(
         'Number of copies of the complex in the PPI', default=1)
 
@@ -318,7 +318,7 @@ class Compound(models.Model):
     iupac_name = models.CharField(
         'IUPAC name', max_length=255, blank=True, null=True)
     mddr_compound = models.ForeignKey(
-        'MDDRCompoundImport', blank=True, null=True)
+        'MDDRCompoundImport', models.CASCADE, blank=True, null=True)
 
     @property
     def biblio_refs(self):
@@ -407,15 +407,15 @@ class TestActivityDescription(models.Model):
         ('I', 'Inhibition'),
         ('S', 'Stabilization')
     )
-    biblio = models.ForeignKey(Bibliography)
-    ppi = models.ForeignKey(Ppi, blank=True, null=True)
+    biblio = models.ForeignKey(Bibliography, models.CASCADE)
+    ppi = models.ForeignKey(Ppi, models.CASCADE, blank=True, null=True)
     test_name = models.CharField('Test name', max_length=100)
     test_type = models.CharField('Test type', max_length=5, choices=TEST_TYPES)
     test_modulation_type = models.CharField(
         'Test modulation type', max_length=1, choices=TEST_MODULATION_TYPES)
     nb_active_compounds = models.IntegerField(
         'Total number of active compounds')
-    cell_line = models.ForeignKey(CellLine, blank=True, null=True)
+    cell_line = models.ForeignKey(CellLine, models.CASCADE, blank=True, null=True)
 
     def get_complexes(self):
         """
@@ -440,8 +440,8 @@ class CompoundActivityResult(models.Model):
         ('pKd', 'pKd (dissociation constant, -log10)'),
         ('pKi', 'pKi (inhibition constant, -log10)'),
     )
-    compound = models.ForeignKey(Compound)
-    test_activity_description = models.ForeignKey(TestActivityDescription)
+    compound = models.ForeignKey(Compound, models.CASCADE)
+    test_activity_description = models.ForeignKey(TestActivityDescription, models.CASCADE)
     activity_type = models.CharField(
         'Activity type', max_length=5, choices=ACTIVITY_TYPES)
     activity = models.DecimalField(
@@ -455,16 +455,16 @@ class CompoundActivityResult(models.Model):
 
 
 class TestCytotoxDescription(models.Model):
-    biblio = models.ForeignKey(Bibliography)
+    biblio = models.ForeignKey(Bibliography, models.CASCADE)
     test_name = models.CharField('Cytotoxicity test name', max_length=100)
-    cell_line = models.ForeignKey(CellLine)
+    cell_line = models.ForeignKey(CellLine, models.CASCADE)
     compound_concentration = models.DecimalField(
         'Compound concentration in μM', max_digits=7, decimal_places=3, blank=True, null=True)
 
 
 class CompoundCytotoxicityResult(models.Model):
-    compound = models.ForeignKey(Compound)
-    test_cytotoxicity_description = models.ForeignKey(TestCytotoxDescription)
+    compound = models.ForeignKey(Compound, models.CASCADE)
+    test_cytotoxicity_description = models.ForeignKey(TestCytotoxDescription, models.CASCADE)
     toxicity = models.BooleanField('Toxicity', default=False)
 
     class Meta:
@@ -478,9 +478,9 @@ class TestPKDescription(models.Model):
         ('IP', ''),
         ('SL', 'SL')
     )
-    biblio = models.ForeignKey(Bibliography)
+    biblio = models.ForeignKey(Bibliography, models.CASCADE)
     test_name = models.CharField('Pharmacokinetic test name', max_length=100)
-    organism = models.ForeignKey(Taxonomy)
+    organism = models.ForeignKey(Taxonomy, models.CASCADE)
     administration_mode = models.CharField(
         'Administration mode', max_length=2, choices=ADMINISTRATION_MODES, blank=True, null=True)
     dose = models.DecimalField(
@@ -490,8 +490,8 @@ class TestPKDescription(models.Model):
 
 
 class CompoundPKResult(models.Model):
-    compound = models.ForeignKey(Compound)
-    test_pk_description = models.ForeignKey(TestPKDescription)
+    compound = models.ForeignKey(Compound, models.CASCADE)
+    test_pk_description = models.ForeignKey(TestPKDescription, models.CASCADE)
     tolerated = models.NullBooleanField('Tolerated', null=True)
     auc = models.IntegerField(
         'Area under curve (ng.mL-1.hr)', blank=True, null=True)
@@ -516,10 +516,10 @@ class CompoundAction(models.Model):
         ('A', 'Allosteric'),
         ('U', 'Unspecified')
     )
-    compound = models.ForeignKey(Compound)
+    compound = models.ForeignKey(Compound, models.CASCADE)
     activation_mode = models.CharField(
         'Activation mode', max_length=1, choices=ACTIVATION_MODES)
-    ppi = models.ForeignKey(Ppi)
+    ppi = models.ForeignKey(Ppi, models.CASCADE)
     pdb_id = models.CharField('PDB ID', max_length=4, blank=True, null=True)
     nb_copy_compounds = models.IntegerField(
         'Number of copies for the compound')
@@ -536,8 +536,8 @@ class CompoundAction(models.Model):
 
 
 class RefCompoundBiblio(models.Model):
-    compound = models.ForeignKey(Compound)
-    bibliography = models.ForeignKey(Bibliography)
+    compound = models.ForeignKey(Compound, models.CASCADE)
+    bibliography = models.ForeignKey(Bibliography, models.CASCADE)
     compound_name = models.CharField(
         'Compound name in the publication', max_length=50)